import org.junit.Test;

import java.util.HashMap;
import java.util.Hashtable;

/**
 * @program: guli_parent
 * @description: s
 * @author: Mr.shen
 * @create: 2020-07-04 12:05
 **/
public class text {
    @Test
    public void test(){
        HashMap<String,Object> map = new HashMap<>();
        map.put("a","a");
        map.put("b","b");
        map.put("@","w");
        map.put("c","c");
        map.put("d","d");
        map.forEach((k,v)->{
            System.out.println(k + "=" + v);
        });
    }
}
